﻿using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Markup;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace _18.Application类 {
    /// <summary>
    /// Window1.xaml 的交互逻辑
    /// </summary>
    public partial class Window1 : Window {
        public Window1() {
            InitializeComponent();
        }

        private void button1_Click(object sender, RoutedEventArgs e) {
            //MessageBox.Show($"The mainwindow is {Application.Current.MainWindow.Title}");
            //foreach(Window win in Application.Current.Windows) {
            //    MessageBox.Show(win.Title+" is opened");
            //}

            Document doc = new Document();
            doc.Owner= this;
            doc.Show();
            ((App)Application.Current).Documents.Add(doc);
        }

        private void button2_Click(object sender, RoutedEventArgs e) {
            foreach(Document doc in ((App)Application.Current).Documents) {
                doc.Content = "Refreshed at " + DateTime.Now;
            }
        }
    }
}
